Home / 69,578,261.76-96,022,444.08-38,638,430.40

Finding the Fourth Proportional to 69,578,261.76, 96,022,444.08 and 38,638,430.40

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Solution

The fourth proportional to 69,578,261.76, 96,022,444.08 and 38,638,430.40 is: 53,323,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,578,261.76 : 96,022,444.08 = 38,638,430.40 : x
  2. Step 2: Convert to fraction form
    69,578,261.76/96,022,444.08 = 38,638,430.40/x
  3. Step 3: Cross multiply
    69,578,261.76x = 96,022,444.08 × 38,638,430.40
  4. Step 4: Simplify right side
    69,578,261.76x = 3,710,156,522,422,972
  5. Step 5: Solve for x
    x = 3,710,156,522,422,972/69,578,261.76
  6. Step 6: Final answer
    x = 53,323,501.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.